Question

plse urgently needed

Answer 1

it is easy

Answer 2

how can u give any example

Answer 3

the statement above is true...

Answer 4

give any example

Answer 5

set X = { 1 }
set A = { 1, 2, 3, 4}
set B = { 1, 2, 3, 4, 7 , 9}
therefore,
X ∈B is true.............................. :D

Answer 6

X ∈B should be false

Answer 7

@goformit100

Answer 8

no it will be true.

Answer 9

it means the statement given by me is incorrect

Answer 10

yes

Answer 11

okay thank u @goformit100